.product-title{
    padding:10px;
    font-size:18px;
}

.price{
    padding:10px;
    font-size: 16px;
}

.price .now{
    color:orange;
    font-size:24px;
}

.price .old{
    color:#ccc;
    text-decoration: line-through;
}

.size{
    padding:10px;
}

.size span{
    display:inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border:1px solid #ccc;
    padding-bottom: 10px;
}
.size span.active{
    background:pink;
    color:white;
}

.num{
    padding:10px;
}

.btns{
    padding:10px;
    text-align: center;
}